Answer Posted / harish singh

write the program for single push button by using ladder
diagram
Answer
# 9 [----[ ]----------i--------------()---]
[ PB i OP ]
[ i ]
[ i ]
[----[ ]----------i ]
[ OP* ]

Q- Control problem are mainly classified in _____ types. a-)4 b-)3 c-)6 d-)nono of these Few of them i know is 1- regulator type problem (eg- Air conditioner) 2- tracking problem (eg missile trcking problem) 3- sybernatics 4- optimal control problem

2173

---

if in a level tx height is given, how u calculate the ranges of the tx?

7826

---

can we replace a slot sensor (inductive type) with limit switch (potenial free contact / no-nc type).

2069

---

Why mmwc unit is used?

1243

---

the 3 most common transmitter protocol being in refinery or qatar gas and aramco.

2987

---

why we us isolation barrier in hazardous area how it works to protect the area and please clarify its current flow.

1992

---

can u plz send me technical questions asked in SCHNEIDER ELECTRICAL technical paper?

4771

---

flow transmeter accuracy 0.075% of full scale & find ucertainty is 0.025 % so what is maximum limit band of uncertainty

2363

---

Which are all the commonly used Bordon tubes in the pressure gauges. Do any one use ASTM A 312 tubes for this purpose?

1821

---

Why we are using reverse action in displacer types level transmitters on some Vessels?

2595

---

How an rtd work, and what volts/current goes to a rtd to measure the resistance?

1326

---

What is Span Error

727

---

What is shielding effect?

2292

---

pls give me presant awerness quistion and answer in my emailid.

2931

---

how to calibrate Necleuonic level transmitter.?

2152

---